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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income | The following tables summarize the changes, net of tax, within each classification of accumulated other comprehensive income/(loss) for the three months ended March 31, 2021 and 2020.
|  | Unrealized |  |  |  |
|  | gains and |  | 2021
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, |  | $ | 34,162 |  |  | $ | (24,398) |  |  | $ | 9,764 |
Change in other comprehensive income (loss) before reclassification |  | (11,182) |  |  | — |  |  | (11,182) |
Amounts reclassified from accumulated other comprehensive income |  | 114 |  |  | 472 |  |  | 586 |
Net current period other comprehensive income (loss) |  | (11,068) |  |  | 472 |  |  | (10,596) |
Ending balance, March 31, |  | $ | 23,094 |  |  | $ | (23,926) |  |  | $ | (832) |
|  | Unrealized |  |  |  |
|  | gains and |  | 2020
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, |  | $ | 14,893 |  |  | $ | (22,394) |  |  | $ | (7,501) |
Change in other comprehensive income (loss) before reclassification |  | 13,244 |  |  | — |  |  | 13,244 |
Amounts reclassified from accumulated other comprehensive income |  | (146) |  |  | 404 |  |  | 258 |
Net current period other comprehensive income (loss) |  | 13,098 |  |  | 404 |  |  | 13,502 |
Ending balance, March 31, |  | $ | 27,991 |  |  | $ | (21,990) |  |  | $ | 6,001 |
Schedule Of Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment |
|  | Balance at |  | Current Period |  |  |  | Balance at
(Dollar amounts in thousands) |  | 1/1/2020 |  | Change |  |  |  | 3/31/2020
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
without other than temporary impairment |  | $ | 12,178 |  |  | $ | 13,388 |  |  |  |  | $ | 25,566 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
with other than temporary impairment |  | 2,715 |  |  | (290) |  |  |  |  | 2,425 |
Total unrealized gain (loss) on securities available-for-sale |  | $ | 14,893 |  |  | $ | 13,098 |  |  |  |  | $ | 27,991 |
Unrealized loss on retirement plans |  | (22,394) |  |  | 404 |  |  |  |  | (21,990) |
TOTAL |  | $ | (7,501) |  |  | $ | 13,502 |  |  |  |  | $ | 6,001 |
Accumulated Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent |
|  | Three Months Ended March 31, 2021 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | (152) |  |  | Net securities gains (losses)
on available-for-sale |  | 38 |  |  | Income tax expense
securities |  | $ | (114) |  |  | Net of tax
Amortization of |  | $ | (518) |  |  | (a) Salary and benefits
retirement plan items |  | 46 |  |  | Income tax expense
|  | $ | (472) |  |  | Net of tax
Total reclassifications for the period |  | $ | (586) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).
|  | Three Months Ended March 31, 2020 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 194 |  |  | Net securities gains (losses)
on available-for-sale |  | (48) |  |  | Income tax expense
securities |  | $ | 146 |  |  | Net of tax
Amortization of |  | $ | (492) |  |  | (a) Salary and benefits
retirement plan items |  | 88 |  |  | Income tax expense
|  | $ | (404) |  |  | Net of tax
Total reclassifications for the period |  | $ | (258) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).

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